In Talend Administration Center, a page displays Version: Testing... whereas your license and your token are both valid.
The value of the Schemainformation table in the Talend Administration Center database is also correct and thus corresponds to the version of your product (v5.4.2 for example).
This article applies to all versions of Talend Administration Center, which is the administration console of Talend subscription products.
select id, label, applicationtype, dtype from executiontask where dtype="ExecutionTask";
update executiontask set applicationtype="JOB"